Bing Ads are the best way to do it if you have money to spend.

If you are more to free traffic then Youtube and Facebook groups are the way to go.

I have joined buy and sell fb groups before and made money with products from AliExpress.

John Crestani has a course called IM Jetset, that will show you how to really do well with affiliate marketing and ecomerce.

Ecommerce sites works best with PPC Campaigns. You can use Google Adwords its one of the best.

Now a days social media marketing is the best option. On the other hand you can try for off page link building like- guest posting, blog commenting, forum posting, web 2 creation and posting, pdf submission, profile link building and outreach link building. Those are really effective and you can drive traffic by using those tactics. Also you can try some affiliate networks as well to get some decent traffic like- Bitcoin, CPA Elie, CPA Hero and RunCPA. Good luck!

You can buy Pay-Per-Click (PPC) ads and use targeted keywords in it.
Find forum related e-commerce website
Join social media sites like Facebook, Twitter, Google+ etc

Google Adwords and Bing are most trusted and popular.
I think social media marketing and content marketing are more helpful. It can drive a good traffic.

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Why do not use all of the mentioned options in the same time? Omnichannel marketing is the market reality so seller has to be active on multi channels....

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